ELEMENT

Part of a heater through which an electric current is passed (7)

Solution has appeared in 3 crosswords (1 across and 2 down):

• Quick crossword No 16,186 — 2022-03-24 00:00:43
  15D: Component (7)
• Quick crossword No 15,927 — 2021-05-24 23:00:13
  10A: Earth, air, fire or water? (7)
• Quick crossword No 15,790 — 2020-12-15 00:00:50
  15D: Part of a heater through which an electric current is passed (7)